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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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Turn Your FAST Helmet Into a Comms-Ready Platform

This FMA rail adapter set lets you mount COMTAC II and III style headsets directly to the ARC side rails of a FAST style helmet, clearing your ears for full pad comfort and freeing up space beneath the shell. It is the clean, professional way to run active hearing protection on a helmet instead of a headband.

Secure Fit, Effortless Positioning

The bracket locks firmly to the rail yet stays easy to adjust. Pivoting arms let you swing each ear cup forward onto your ears or lift it clear when you need to hear your surroundings, then hold that position without drifting during movement.

Built for Airsoft and the Range

Ideal for skirmishers running a helmet loadout, marshals who need situational awareness, and anyone who wants their COMTAC style headset off their scalp and onto the shell. Supplied as a left and right pair.

Colour Matched to Your Kit

Available in Black, Ranger Green and Tan so you can match your existing helmet and headset. Browse more tactical gear and accessories to complete your setup.

General
BrandFMA
ColourBlack, Ranger Green, Tan
Other
TypeHelmet rail headset adapter set
Headset compatibilityCOMTAC II / III style headsets
Helmet compatibilityFAST style helmets with ARC side rails
MountARC rail bracket, quick attach and detach
AdjustmentPivoting arms for forward and back ear cup positioning
Supplied asPair (left and right)
Colour optionsBlack, Ranger Green, Tan

Frequently asked questions

Which headsets does this adapter fit?

It is designed for COMTAC II and III style headsets, including the many airsoft-market copies built to the same pattern. It attaches the ear cups to your helmet rather than a headband.

Will it fit my helmet?

It fits FAST style helmets that have standard ARC side rails, which covers the vast majority of airsoft FAST helmets. If your helmet has ARC rail slots, this will mount to them.

Can I still lift the ear cups off my ears?

Yes. The pivoting arms let you swing each cup forward onto your ears or lift it clear so you can hear your surroundings, and it holds that position while you move.

Is this a pair or a single side?

It is supplied as a pair, giving you both the left and right rail adapters needed to mount a full headset.

Does it include the headset?

No, this is the rail adapter set only. You fit it to your own COMTAC style headset and FAST helmet.